Article ID Journal Published Year Pages File Type
3346802 Diagnostic Microbiology and Infectious Disease 2016 4 Pages PDF
Abstract

We present a case of pediatric bacteremia caused by Chromobacterium haemolyticum, a β-hemolytic, non-pigmented, Gram-negative bacilli recovered from a blood culture and initially identified as Chromobacterium violaceum using phenotypic and proteomic methods. 16S rRNA sequencing of the patient isolated demonstrated a high degree of sequence homology with the type strain of C. haemolyticum. The patient recovered following treatment with meropenem, gentamicin, and trimethoprim/sulfamethoxazole. This case highlights the potential misidentification of C. haemolyticum as non-pigmented C. violaceum due to limitations of the currently available identification methodologies.

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